<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
        <!-- 添加与搜素区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="6">
          <el-button type="primary" @click="dialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="usersList" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="姓名" prop="username"></el-table-column>
          <el-table-column label="邮箱" prop="email"></el-table-column>
          <el-table-column label="电话" prop="mobile"></el-table-column>
          <el-table-column label="角色" prop="role_name"></el-table-column>
          <el-table-column label="状态" >
             <template slot-scope="scope">
                <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
                 </el-switch>
             </template>
          </el-table-column>
          <el-table-column label="操作" width="180px">
              <template slot-scope="scope">
                  <!-- 修改按钮 -->
                   <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                   <!-- 删除按钮 -->
                   <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                   <!-- 分配角色按钮 -->
                    <el-tooltip class="item" effect="dark" content="分配角色" placement="top" :enterable="true">
                      <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                  </el-tooltip>
              </template>
          </el-table-column>                              
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2,5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
    <!-- 添加用户对话框 -->
    <el-dialog
        title="添加用户"
        :visible.sync="dialogVisible"
        width="50%"
        @close="addDialogClosed"
        >
        <!-- 内容主体区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px"
            >
            <el-form-item label="用户名" prop="username">
              <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
              <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
              <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
              <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
    </el-dialog>
    <!-- 编辑用户对话框 -->
    <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%"
       @close="editDialogClosed"
        >
        <!-- 编辑的表单区域 -->
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
           <el-form-item label="用户名" prop="username">
             <el-input v-model="editForm.username" disabled></el-input>
           </el-form-item>
           <el-form-item label="邮箱" prop="email">
             <el-input v-model="editForm.email"></el-input>
           </el-form-item>
           <el-form-item label="手机" prop="moblie">
             <el-input v-model="editForm.mobile"></el-input>
           </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUser">确 定</el-button>
        </span>
   </el-dialog>
   <!-- 分配角色对话框 -->
   <el-dialog
  title="分配角色"
  :visible.sync="setRolesdialogVisible"
  width="30%"
  @close="setRoleDialogClosed"
  >
  <p>当前用户:{{userInfo.username}}</p>
  <p>当前角色:{{userInfo.role_name}}</p>
  <p>分配新角色：
     <el-select placeholder="请选择" v-model="selectedRoleId">
        <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
        </el-option>
     </el-select>
  </p>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRolesdialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>
<script>
import { log } from 'util';
export default {
    created(){
        this.getUserList()
    },
    data(){
        // 验证邮箱的规则
        var checkEmail=(rule,value,cb)=>{
            const regEmail=/^\w+@\w+(\.\w+)+$/
            if(regEmail.test(value)){
                return cb()
            }
            // 返回一个错误指示
           cb(new Error('请输入合法的邮箱'))

        }
        // 验证手机号的规则
        var checkMobile=(rule,value,cb)=>{
            const regMobile = /^1[34578]\d{9}$/
                if (regMobile.test(value)) {
                return cb()
       }
           //返回一个错误提示
          cb(new Error('请输入合法的手机号码'))
        }
        return {
            // 获取用户查询信息的参数
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            usersList:[],
            total:0,
            // 控制添加用户对话框的显示与隐藏
            dialogVisible:false,
            // 控制编辑用户对话框的显示与隐藏
            editDialogVisible:false,
            // 控制设置角色对话框的显示与隐藏
            setRolesdialogVisible:false,
            // 添加用户的表单数据
            addForm:{
                usersList:'',
                password:'',
                email:'',
                mobile:''
            },
            // 编辑修改用户的表单数据
            editForm:{},
           
            // 添加表单的验证规则对象
            addFormRules:{
                username:[
                   { required: true, message: '请输入用户名称', trigger: 'blur' },
                   { min:3 , max: 10, message: '用户名称长度在3到10 个字符', trigger: 'blur' }
                ],
                 password:[
                   { required: true, message: '请输入密码', trigger: 'blur' },
                   { min:6 , max: 15, message: '密码称长度在6到15 个字符', trigger: 'blur' }
                ],
                 email:[
                   { required: true, message: '请输入邮箱', trigger: 'blur' },
                   { validator: checkEmail, trigger: 'blur' }
                   
                ],
                 mobile:[
                   { required: true, message: '请输入手机', trigger: 'blur' },
                   { validator: checkMobile, trigger: 'blur' }
                ],
             },
               // 修改用户的验证表单对象
              editFormRules:{
                email:[
                   { required: true, message: '请输入邮箱', trigger: 'blur' },
                   { validator: checkEmail, trigger: 'blur' } 
                ],
                 mobile:[
                   { required: true, message: '请输入手机', trigger: 'blur' },
                   { validator: checkMobile, trigger: 'blur' }
                ],
            },
             //设置角色的信息
             userInfo:{}, 
             //  角色列表
             rolesList:[],
            selectedRoleId:'',
            userId:''

        }
    },
    methods:{
        async getUserList(){
            const {data:res}=await this.$http.get('users',{params:this.queryInfo})
            // console.log(res); 
            if(res.meta.status!==200) return this.$message.error(res.meta.msg)
            this.usersList=res.data.users
            this.total=res.data.total
        },
        handleSizeChange(newSize){
            console.log(newSize)
            this.queryInfo.pagesize=newSize 
             this.getUserList()
        },
        handleCurrentChange(newPage){
            console.log(newPage);
            this.queryInfo.pagenum=newPage
             this.getUserList() 
        },
        async userStateChange(userinfo){
            console.log(userinfo);
            const {data:res}=await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            // console.log(res);
            // //如果返回状态为异常状态则报错并返回
            if(res.meta.status!==200) return this.$message.error('修改状态失败')
            this.$message.success('更新状态成功')
        },
        addDialogClosed(){
           this.$refs.addFormRef.resetFields()
        },
        addUser(){
            this.$refs.addFormRef.validate(async valid=>{
                // console.log(valid);
                if(!valid) return
                // 发起添加用户的请求
                const {data:res}=await this.$http.post('users',this.addForm)
                // console.log(res);
                if(res.meta.status!==201) return this.$message.error('添加用户失败')
                this.$message.success('添加用户成功')
                // 关闭对话框
                this.dialogVisible = false
                // 重新渲染用户列表页面
                this.getUserList()
            })
        },
        async showEditDialog(id){
          // console.log(id);
          const{data:res}=await this.$http.get('users/'+id)
          // console.log(res);
          if(res.meta.status!==200) {
            return this.$message.error('查询用户失败')
          }
            this.editForm=res.data
            this.editDialogVisible=true
            console.log(this.editForm); 
        },
        editUser(){
          this.$refs.editFormRef.validate(async valid=>{
            // console.log(valid);
            if(!valid) return
            // 注意put方式请求参数的格式
            const {data:res}=await this.$http.put('users/'+this.editForm.id,{email:this.editForm.email,mobile:this.editForm.mobile}) 
            // console.log(res);
            if(res.meta.status!==200) return this.$message.error('修改用户失败')
            // 重新渲染用户列表
            this.getUserList()
            // 关闭对话框
            this.editDialogVisible = false
            // 修改成功的提示信息
            this.$message.success('用户信息成功')
          })
        },
        // 监听对话框的关闭事件，重置表单
        editDialogClosed(){
          this.$refs.editFormRef.resetFields()
        },
        // 监听
        async removeUserById(id){
          // console.log(id);
           const confirmResult=await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
              confirmButtonText: '确定',
              cancelButtonText: '取消',
              type: 'warning'
            }).catch(err=>err)
            // console.log(confirmResult);
            if(confirmResult!=='confirm'){
              return this.$message.info('已经取消删除')
            }
            // this.$message.info('已经确认删除')
            const {data:res}=await this.$http.delete('users/'+id)
            // console.log(res);
            if(res.meta.status!==200) return this.$message.error('删除用户失败')
            // 提示用户删除成功
            this.$message.success('删除用户成功')
            // 刷新用户列表
            this.getUserList() 
        },
        // 添加角色
        async setRole(userInfo){
          // console.log(userInfo);
          this.userId=userInfo.id
          this.userInfo=userInfo
          this.setRolesdialogVisible=true
          // 查询角色列表
          const {data:res}=await this.$http.get('roles')
          // console.log(res);
          if(res.meta.status!==200) return res.$message.error('角色数据获取失败')
          // this.$message.success('角色数据获取成功')
          this.rolesList=res.data
          console.log(this.rolesList);   
        },
        // 点击确认之后，Role
        async saveRoleInfo(){
          // 判断用户是否选择了要分配的角色
          if(!this.selectedRoleId){
            return this.$message.error('请选择要分配的角色')
          }
          const {data:res}=await this.$http.put(`users/${this.userId}/role`,{rid:this.selectedRoleId})
          // console.log(res);
          if(res.meta.status!==200) return this.$message.error('设置角色失败')
          this.$message.success('设置角色成功')
          this.getUserList()
          this.setRolesdialogVisible = false
        },
        // 监听分配角色对话框的关闭事件
        setRoleDialogClosed(){
           this.selectedRoleId=''
           this.userInfo={} 
        }
    }
};
</script>
<style lang="less" scoped>
</style>

